Reduce CONFIG_MPC8YXX_TSECx to CONFIG_TSECx

For all practical u-boot purposes, TSECs don't differ throughout the
mpc8[356]xx families; reduce CONFIG_MPC8YXX_TSECx to CONFIG_TSECx.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/configs/stxgp3.h b/include/configs/stxgp3.h
index 625cf20..21065b9 100644
--- a/include/configs/stxgp3.h
+++ b/include/configs/stxgp3.h
@@ -230,10 +230,10 @@
 
 #define CONFIG_MII		1	/* MII PHY management		*/
 
-#define CONFIG_MPC85XX_TSEC1	1
-#define CONFIG_MPC85XX_TSEC1_NAME	"TSEC0"
-#define CONFIG_MPC85XX_TSEC2	1
-#define CONFIG_MPC85XX_TSEC2_NAME	"TSEC1"
+#define CONFIG_TSEC1	1
+#define CONFIG_TSEC1_NAME	"TSEC0"
+#define CONFIG_TSEC2	1
+#define CONFIG_TSEC2_NAME	"TSEC1"
 #undef CONFIG_MPS85XX_FEC
 
 #define TSEC1_PHY_ADDR		2